45261253 has 4 divisors (see below), whose sum is σ = 46365228. Its totient is φ = 44157280.

The previous prime is 45261239. The next prime is 45261277. The reversal of 45261253 is 35216254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6796449 + 38464804 = 2607^2 + 6202^2 .

It is a cyclic number.

It is not a de Polignac number, because 45261253 - 2¹⁷ = 45130181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45261353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551926 + ... + 552007.

It is an arithmetic number, because the mean of its divisors is an integer number (11591307).

Almost surely, 2^45261253 is an apocalyptic number.

It is an amenable number.

45261253 is a deficient number, since it is larger than the sum of its proper divisors (1103975).

45261253 is a wasteful number, since it uses less digits than its factorization.

45261253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103974.

The product of its digits is 7200, while the sum is 28.

The square root of 45261253 is about 6727.6484004442. The cubic root of 45261253 is about 356.3763352894.

The spelling of 45261253 in words is "forty-five million, two hundred sixty-one thousand, two hundred fifty-three".